Thermoplastic moulding compositions having flame-retardant properties

US4788238A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Gert Todtemann · Wermelskirchen, DE
• Klaus Reinking · Wermelskirchen, DE
• Otto Koch · Leichlingen, DE

Key dates

• Filing date: Sep 21, 1987
• Grant date: Nov 29, 1988
• Expiry date: Sep 21, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L69/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides thermoplastic flame-retardant moulding compositions containing halogen-containing copolycarbonates, styrene/maleic anhydride copolymers, phosphorus compounds of the formula (I) ##STR1## and tetrafluoroethylene polymers and, if desired, further known additives.